[Alex_1.3i]

Собсно, вот все, что там есть... Одна страничка...

The spectacular DB-speakers offer, in addition to an attractive design based on individual HELIX-baskets
and HELIX-grilles, steady sound quality with a clear and powerful mid/bass reproduction.
The small mounting depths account for an easy installation in any car.

Features:
• 5.25 inch mid/bass
• 25 mm soft dome tweeter
• injection-moulded woofer diaphragm for avoiding disruptive resonance
• special rubber edge surround for high loadability and long operating time
• universally applicable Euro-DIN baskets in individual HELIX-design for easy installation in virtually any vehicle type
• delivery contents: 2 mid/bass speakers, 2 tweeters, 2 crossovers, 2 grilles

Technical data DB 52.1:
Cont. power RMS / max. power................................... 40 / 80 Watts
Frequency range............................................. ..........65 Hz - 22 kHz
Sensitivity....................................... ...................89 dB 1W / 1m
Impedance......................................... ....................4 Ohms
Mounting depth............................................. ............ 52 mm

Ну и картинко есть. Про параметры Т/С - увы...